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Finding the Fourth Proportional to 227,331.84, 340,961.03 and 107,388.54

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Solution

The fourth proportional to 227,331.84, 340,961.03 and 107,388.54 is: 161,065.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    227,331.84 : 340,961.03 = 107,388.54 : x
  2. Step 2: Convert to fraction form
    227,331.84/340,961.03 = 107,388.54/x
  3. Step 3: Cross multiply
    227,331.84x = 340,961.03 × 107,388.54
  4. Step 4: Simplify right side
    227,331.84x = 36,615,306,671.65
  5. Step 5: Solve for x
    x = 36,615,306,671.65/227,331.84
  6. Step 6: Final answer
    x = 161,065.46

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.